Last updated on April 21, 2014 at 12:45 EDT
 Merger of Two White Dwarf Stars
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Merger of Two White Dwarf Stars

February 5, 2005
This artist's illustration shows three steps in the merger of a pair of white dwarf stars. The illustration depicts how planets may form around massive white dwarfs and is based upon theoretical studies by astronomers Mario Livio, Jim Pringle, and Rex Saffer of the Space Telescope Science Institute in Baltimore, MD.